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UA837

SFO → NRT · Boeing 777-300ER · United Airlines

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Departure · San Francisco (SFO)

Terminal ITM · Gate G10
Scheduled 11:55 · Departed 12:11 · +16 min
Board status: Departed
Airborne since 12:41 (ADS-B)

Arrival · Tokyo / Narita (NRT)

Terminal T1-South · Gate 31
Scheduled 15:00 · Estimated 15:15 · +15 min
Board status: CODE SHARE
In the air, ~4h 46m to go (50% of the route flown)

Board data from narita, sfo, updated 58 min ago; times local to each airport.

Flight

Status
In progress
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Scheduled departure
2026-10-03 18:55 UTC
Departed
2026-10-03 19:41 UTC
Arrival
Narita International Airport (NRT) — Tokyo / Narita, Japan (scheduled)
Scheduled arrival
2026-10-04 06:00 UTC
Estimated arrival
2026-10-04 06:15 UTC
Progress
50% · ~4h 46m remaining
Codeshares
NH7013
Distance flown
4215 km
Straight-line distance
8228 km

Aircraft

Registration
N2645U
Type
Boeing 777-300ER
Seats
350 total (204 Economy, 62 Economy Plus, 24 Premium Plus, 60 Polaris)
CO2 (EMEP est., total)
593.6 t (1237 kg/pax Economy, 1550 kg/pax Premium Economy, 3782 kg/pax Business)

Altitude & speed

Max altitude
32,025 ft
Max ground speed
506 kt
Tracked
4h 45m · 4,215 km
Note
still in progress - the track so far
Altitude (ft, max 32,025)
017,29434,5870m1h 0m2h 0m3h 0m4h 0m
Ground speed (kt, max 506)
02735460m1h 0m2h 0m3h 0m4h 0m
Altitude (ft, max 32,025)
017,29434,5870m2h 0m4h 0m
Ground speed (kt, max 506)
02735460m2h 0m4h 0m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-03 19:41 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2645U Boeing 777-300ER In progress ~8228 km est.
2026-10-03 09:03 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N37319 Boeing 737 MAX 8 Completed 2622 km
2026-10-02 19:15 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2333U Boeing 777-300ER Incomplete (signal lost) ~8312 km est. (461 km recorded)
2026-10-02 09:15 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17303 Boeing 737 MAX 8 Completed 2626 km
2026-10-01 19:27 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2332U Boeing 777-300ER Incomplete (signal lost) ~8316 km est. (354 km recorded)
2026-10-01 08:55 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N37319 Boeing 737 MAX 8 Completed 2593 km
2026-09-30 19:29 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2341U Boeing 777-300ER Incomplete (signal lost) ~8285 km est. (326 km recorded)
2026-09-30 09:13 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17322 Boeing 737 MAX 8 Completed 2597 km
2026-09-29 19:19 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2737U Boeing 777-300ER Incomplete (signal lost) ~8306 km est. (350 km recorded)
2026-09-29 09:26 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N37319 Boeing 737 MAX 8 Completed 2685 km
2026-09-28 19:51 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2748U Boeing 777-300ER Incomplete (signal lost) ~8318 km est. (385 km recorded)
2026-09-28 09:23 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17316 Boeing 737 MAX 8 Completed 2561 km
2026-09-27 19:19 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2138U Boeing 777-300ER Incomplete (signal lost) ~8319 km est. (320 km recorded)
2026-09-27 09:39 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17309 Boeing 737 MAX 8 Completed 2582 km
2026-09-26 19:53 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2136U Boeing 777-300ER Incomplete (signal lost) ~8601 km est. (4384 km recorded)
2026-09-26 09:17 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17306 Boeing 737 MAX 8 Completed 2829 km
2026-09-25 19:35 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2250U Boeing 777-300ER Incomplete (signal lost) ~8601 km est. (4387 km recorded)
2026-09-25 10:47 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17309 Boeing 737 MAX 8 Completed 2573 km
2026-09-24 22:47 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2331U Boeing 777-300ER Incomplete (signal lost) ~8539 km est. (4306 km recorded)
2026-09-24 09:00 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N27304 Boeing 737 MAX 8 Completed 2564 km
2026-09-23 19:22 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2747U Boeing 777-300ER Incomplete (signal lost) ~8312 km est. (321 km recorded)
2026-09-23 09:13 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17322 Boeing 737 MAX 8 Completed 2582 km
2026-09-22 19:46 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2333U Boeing 777-300ER Incomplete (signal lost) ~8676 km est. (4426 km recorded)
2026-09-22 09:19 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N27304 Boeing 737 MAX 8 Completed 2561 km
2026-09-21 19:41 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2138U Boeing 777-300ER Incomplete (signal lost) ~8302 km est. (331 km recorded)
2026-09-20 09:15 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17316 Boeing 737 MAX 8 Completed 2678 km
2026-09-19 20:13 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2737U Boeing 777-300ER Incomplete (signal lost) ~8336 km est. (828 km recorded)
2026-09-19 09:12 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N37319 Boeing 737 MAX 8 Completed 2713 km
2026-09-18 19:05 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2250U Boeing 777-300ER Incomplete (signal lost) ~8552 km est. (4240 km recorded)
2026-09-18 09:02 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17316 Boeing 737 MAX 8 Completed 2834 km
2026-09-17 20:01 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2352U Boeing 777-300ER Incomplete (signal lost) ~8331 km est. (356 km recorded)
2026-09-17 09:14 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17309 Boeing 737 MAX 8 Completed 2639 km
2026-09-17 05:01 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2243U Boeing 777-300ER Completed 452 km
2026-09-16 09:00 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17306 Boeing 737 MAX 8 Completed 2779 km
2026-09-15 20:03 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2135U Boeing 777-300ER Incomplete (signal lost) ~8338 km est. (346 km recorded)
2026-09-15 09:06 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17309 Boeing 737 MAX 8 Completed 2659 km
2026-09-14 20:07 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2250U Boeing 777-300ER Incomplete (signal lost) ~8293 km est. (394 km recorded)
2026-09-14 09:09 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17316 Boeing 737 MAX 8 Completed 2673 km
2026-09-13 19:06 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2138U Boeing 777-300ER Incomplete (signal lost) ~8327 km est. (389 km recorded)
2026-09-13 09:04 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17306 Boeing 737 MAX 8 Completed 2629 km
2026-09-12 19:20 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2846U Boeing 777-300ER Incomplete (signal lost) ~8355 km est. (897 km recorded)
2026-09-12 09:03 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17303 Boeing 737 MAX 8 Completed 2645 km
2026-09-11 19:10 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2136U Boeing 777-300ER Incomplete (signal lost) ~8321 km est. (463 km recorded)
2026-09-11 09:10 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17306 Boeing 737 MAX 8 Completed 2799 km
2026-09-10 19:52 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2749U Boeing 777-300ER Incomplete (signal lost) ~8296 km est. (383 km recorded)
2026-09-10 09:07 UTC UAL837 NRT → KHH
Tokyo / Narita → Kaohsiung City
 N17302 Boeing 737 MAX 8 Completed 2692 km
2026-09-09 19:56 UTC UAL837 SFO → NRT
San Francisco → Tokyo / Narita
 N2250U Boeing 777-300ER Completed 8451 km

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